package com.facade;

public class Stereo {

    private static Stereo instance = new Stereo();

    public static Stereo getInstance() {
        return instance;
    }

    public void up(){
        System.out.println(" stereo up");
    }

    public void off(){
        System.out.println(" stereo off");
    }

    public void on(){
        System.out.println(" stereo on");
    }
}
